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Filter tank

A technology of filters and filter components, which is applied in the field of water treatment, can solve problems such as the inability to solve the needs of medium and small water treatment equipment, the large area of ​​the filter, and the large amount of water used for backwashing, so as to reduce the amount of water used for flushing and the water head. Less loss and increased flushing power

Active Publication Date: 2014-05-28
SHANGHAI TECHASE ENVIRONMENT PROTECTION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Aiming at the problems that the existing filter tank occupies a large area, the water consumption of backwashing is large and the operation is complicated, and it cannot meet the needs of medium and small water treatment equipment, the purpose of the present invention is to provide an annular filter assembly that can be flexibly applied to various small space filter

Method used

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Embodiment Construction

[0046] The technical content and features of the present invention will be described in detail below by referring to the illustrated embodiments in conjunction with the accompanying drawings. For the convenience of description, the "left" and "right" described below are consistent with the left and right directions in the drawings, but this should not be a limitation of the technical solution of the present invention.

[0047] combine Figure 2 to Figure 4 Illustrate the filter tank of the present invention, which includes a steel cylindrical housing 1 with a raw water inlet pipe 101 and a purified water outlet pipe 102 at the bottom, an annular filter assembly installed in the housing 1 and communicated with the purified water outlet pipe 102 2. The backwash assembly 3 matched with the annular filter assembly 2 and the rotary mechanism 4 that drives the backwash assembly 3 to rotate. The casing 1 is made of stainless steel, which facilitates the construction and transportati...

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Abstract

The invention discloses a filter tank, which relates to the technical field of water treatment, in particular to a filter tank with an annular filter assembly. The filter tank aims at the problems that an existing filter tank is large in occupancy, large in backflushing water using amount and complex in operation and cannot meet requirements of middle and large water treatment equipment. The filter tank comprises a casing, the annular filter assembly, a backflushing assembly and a rotary mechanism, wherein a raw water inlet pipe and a clean water outlet pipe are arranged at the bottom of the casing, the annular filter assembly is arranged in the casing, the backflushing assembly is matched with the annular filter assembly, the rotary mechanism is connected with the backflushing assembly to be driven to rotate, the raw water inlet pipe is communicated with an inner cavity of the casing, an inner cavity of the annular filter assembly is communicated with the clean water outlet pipe to be used for filter raw water in the casing into clean water to be outputted from the clean water outlet pipe, and the backflushing assembly is used for washing the annular filter assembly and exhausting slurry out of the filter tank. The filter tank is especially applied to efficient filter equipment in small and medium water treatment projects.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a filter tank with an annular filter assembly. Background technique [0002] In the field of solid-liquid separation, in addition to sedimentation and air flotation technology, filtration plays a very important role. Since the appearance of ordinary fast filters at the beginning of the last century, there have been siphon filters that do not need to store flushing water, valveless filters that do not need to switch multiple gates, and air-water reaction that saves flushing water and improves flushing effects in recent years. These changes and improvements have improved the technical level of filtration, but there are still some insurmountable obstacles that affect the further development of filtration technology. [0003] For example: the use of traditional granular filter materials cannot achieve reverse particle size grading; even for homogeneous filter materials, afte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/15B01D29/50B01D29/62B01D29/60
Inventor 张文标张亚雷陈翼孙黄永宽刘道广
Owner SHANGHAI TECHASE ENVIRONMENT PROTECTION
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